On January 13, 2017, the National Energy Administration released the "Thirteenth Five-year Plan for Energy Technology Innovation". During the "Thirteenth Five-Year Plan" period, China's energy industry developed five major energy science and technology projects. Each technology area was popularized in batches according to the application, and a batch of demonstration experiments were conducted. Which involves coal chemical industry-related technologies are as follows: New Low-grade Pyrolysis Technology Research objectives: To develop a low-rank coal pyrolysis technique that can increase tar yield and increase the light component content of tar, with a tar yield of 20% -50% and a light fraction of 70% -80%. Research contents: Development of pulverized coal pyrolysis technology with low dust, high oil yield and high quality oil and gas; research on the reaction mechanism of coal pyrolysis and reaction conditions on the distribution and quality control of tar and other products in hydrogenation catalytic pyrolysis ; Study the reaction mechanism of coal pyrolysis pyrolysis and the reaction conditions on the pressure pyrolysis product distribution, quality control, the establishment of test equipment and optimize the pressurized pyrolysis process; CO + H2 mixed gas system atmosphere reaction mechanism study Catalyst mechanism of low-rank coal pyrolysis process and catalyst preparation, performance evaluation of circulating solvent and hydrogenation test. Starting and ending time: 2016-2020 Coal Hydrogenation liquefaction of new technologies Research objectives: To develop a technology to reduce the reaction severity coal liquefaction liquefaction technology, raw coal conversion rate ≥85%, oil yield ≥50%, reaction pressure ≤10MPa. Research contents: Development of new technologies and catalysts for mild liquefaction, new technologies and catalysts for heavy oil light liquefaction, industrial reactors for mild liquefaction, new technologies for the separation and solidification of solid products, coupled with coal solvent extraction-catalytic hydrogenation, Process validation, R & D co-processing of coal and heavy oil, recycling solvent preparation technology and performance evaluation. Starting and ending time: 2016-2020 Single series of one million tons / year and above low-grade coal pyrolysis demonstration project Research objectives: To develop low-rank coal pyrolysis technology and equipment with independent intellectual property rights and wide applicability, to build demonstration plants of 1 million tons / year or above, and to achieve long-term stable operation; the system energy efficiency of not less than 75%, tar The yield is greater than 85% of the gold assay. Research contents: Development of large-scale pyrolysis reactor and its ancillary facilities, research and development of sealing technology for large-scale rotary equipment, development of heat carrier that can be used stably for a long period of time, development of solid heat carrier heating technology and steady delivery system of high-temperature heat carrier, Low-cost long-life high-temperature dust removal technology research and development of highly corrosive medium transport equipment, the best tar and semi-coke production rate under the technology research and development pyrolysis gas purification system anti-coking and wastewater treatment and reuse technology, semi-coke size Forming and anti-chalking technology; break the semi-coke for industrial boiler combustion technology, semi-coke used to replace part of the injection / sintering raw materials of iron production technology and semi-coke efficient gasification technology; to carry out drying, pyrolysis, oil Processing system integration test. Starting and ending time: 2016-2020 A new generation of advanced coal gasification demonstration device Research Goal: To form advanced coal gasification technology that meets the needs of different coal types and products and has independent intellectual property rights. Research contents: To develop a new type of ultra-high temperature entrained flow gasification technology suitable for high ash melting point coal; to develop a large-scale gasifier capable of processing 3,000 to 4,000 tons of raw coal per day; to break through the key technology of large-scale fluidized bed pressurization to form a 2,000-ton Pressurized fluidized bed gasification industrial technology demonstration and application; Development of kiloton / day continuous automatic liquid slag moving bed pressurized gasification technology; Development of urban waste, biomass and coal co-gasification technology, and control of gasification pollutants Technology; carry out a new generation of catalytic gasification hydrogen production and entrained flow hydrogenation of natural gas technology research and development. Starting and ending time: 2016-2020 Coal chemical new technology industry demonstration Research Objectives: To develop new technologies for coal chemical products with independent intellectual property rights and to complete a new generation of technology industrial demonstrations of coal-to-ethanol, high-carbon alcohols such as methanol to aromatics and syngas. Research contents: Development of new and efficient catalysts, research on catalyst preparation methods; optimization of large-scale industrial reactor design and enhancement of system integration. Methanol to aromatic, coal-based oil aromatics, the third generation of methanol to olefins technology million-ton industrialization demonstration; to carry out non-precious metal catalyst ethylene glycol technology 500,000-ton industrialization demonstration; to carry out methanol toluene xylene , Synthetic high-carbon primary alcohol and other technical intermediate test; promote the one-step syngas olefin, ethanol and other technical projects to enlarge and test demonstration. Starting and ending time: 2016-2023 High Phenol Ammonia Chemical Wastewater Zero Emission Technology Demonstration Research objectives: To build a zero-emission technology system for high-phenol-ammonia coal chemical wastewater, optimize the design parameters of the integrated technology, and build a demonstration project of over 1,000 m3 / h to achieve a water reuse rate of ≥99%. Research contents: Optimize the key technical parameters of high-efficiency pretreatment of typical pollutants of high-phenol-ammonia coal chemical wastewater; optimize the parameters of high-efficiency anaerobic technology to improve adaptability of water quality impact and further improve water biodegradability; research and develop coal chemical wastewater to remove characteristic pollutants such as phenol and Heterocyclic and ammonia nitrogen key technologies; the development of concentrated brine removal COD technology, evaporation crystallization combination of technology, improve the process of elemental crystal salt separation. Starting and ending time: 2019-2020 Million tons of coal indirect liquefaction complete sets of technical equipment Research Objectives: To build a million-ton coal indirect liquefaction plant to produce clean liquid fuel. Research contents: Application and promotion of integration and optimization technology of 1 million-ton coal indirect liquefaction process system; development of 50-80 kt / a FT large-scale reactor, large-scale production technology of synthetic catalyst and processing and upgrading technology of synthetic intermediate product , Super-productive super-clean gasoline technology, co-production of high value-added chemicals technology, tail gas conversion and utilization technologies, and advanced energy-saving water-saving and wastewater treatment technologies. Starting and ending time: 2016-2023 Million tons of lignite drying and upgrading technology Research objectives: To build a batch of industrialized plants with a capacity of over 1 million tons / year and raw coal pretreatment plants in power plants; to realize the commercialization, standardization and serialization of upgraded products by regulating the nature of products and coupling with downstream industries. Research contents: The application and promotion of the design technology and production technology of large-scale drying equipment and its ancillary facilities, the simulation and calculation of energy system, the large-scale high-efficiency long-life anti-dew condensation technology of high humidity gas dedusting, the efficient water recovery technology in mixed gas The use of technology and the latent heat of the water reuse technology, the scale of the formation of dry coal technology, anti-spontaneous anti-repetition technology; dry lift system and power plant integration technology; industrialization system construction costs, plant energy consumption and environmental impact; Design, commissioning, operation standards; based on the nature of raw coal and dry coal, coal products to form a series of standards.
Right Angle Prisms are used to direct beams at 90 degrees by using hypotenuse face in total internal reflection (TIR). The right angle prisms are often preferable to an inclined mirror in applications involving severe acoustic or inertial loads, because they are easier to mount, and deform much less than mirror in response to external mechanical stress. As long as acceptance angle limitations for TIR from the roof faces are not exceeded, the right angle prisms can serve as a retro reflector, turning beams back to the original direction.
Available in sizes ranging from 3 mm to 60 mm, Right-Angle Prisms can be used to deviate a light path by 90° or 180°, depending on which surface is used as the input for the light source.
Right angle prisms are used to redirect light beams at 90 degrees. Right angle prisms are made of BK7, UVFS optical materials.
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Right-angle prism is the most common type of prisms. It is used to re-direct a beam of light at 90 degrees from the the incident direction or used as a 180 beam retro-reflector. They are often coated with various optical coatings to form cubic beam splitters and color separation cubes used in various projection systems.
